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  • PHOBOS RANSOMWARE ATTACK

    TZ-CERT has observed a new and sophisticated techniques that ransomware actors are currently using to infect targeted victims across the globe. The ransomware actors have launched a new variant of ran…

  • Ransomware

    RANSOMWARE OUTBREAK

    Ransomware is a type of malicious software, or malware, designed to deny access to a computer system or data until a ransom is paid. Principally, it encrypts files on the compromised systems and deman…

  • Fileless

    FILELESS MALWARE ATTACK

    Tanzania Computer Emergency Response Team (TZ-CERT) is aware of security incidents involving malicious software named “Fileless malware”. As its name implies, it doesn’t depend on a computer file as a…

  • DOMAIN NAMING SYSTEM (DNS) HIJACKING NOTICE

    Tanzania Computer Emergency Team (TZ-CERT) is informed of a large scale and global campaign involving DNS Infrastructure hijacking targeting domains belonging to Government, Internet Service Providers…

Current Activities

Security Updates for VMware Workstation, Fusion and Horizon View Client

VMware has released security advisory to address multiple vulnerabilities in VMware workstation, Fusion and Horizon View Client. Exploitation of these vulnerabilities may allow remote attacker to execute arbitrary code or perform a denial of service on the Windows OS that run Workstation. Users and administrators are encouraged to review the …

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Microsoft Security Bulletin for May 2015

Microsoft has released a security bulletin for May 2015 to address vulnerabilities in Windows. Exploitation of these vulnerabilities could allow elevation of privilege, disclosure of information, remote code execution, security feature bypass or denial of service. Users and administrators are encouraged to review Microsoft Security Bulletins and apply the necessary …

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Security Updates for Adobe Flash Player, Reader and Acrobat

Adobe has released security updates for Flash Player, Reader and Acrobat. These updates address critical vulnerability that could potentially allow an attacker to take control of the affected system. Affected software versions are:- (a) Adobe Flash Player 17.0.0.169 and earlier versions (b) Adobe Flash Player 13.0.0.281 and earlier 13.x versions …

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Mozilla Released Security Updates for Firefox, Firefox ESR and Thunderbird

The Mozilla Foundation has release security updates to address multiple vulnerabilities in Firefox, Firefox ESR and Thunderbird. These updates address vulnerabilities that could allow an attacker to take control of an affected system. The following updates are available: (a) Firefox 38 (b) Firefox ESR 31.7 (c) Thunderbird 31.7 Users and …

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Security Update for Chrome

Google has released Chrome OS 43.0.2357.65 for Windows, Mac, and Linux to address multiple vulnerabilities. This update addresses vulnerabilities that could allow an attacker to take control of an affected system. Users and administrators are encouraged to review the Google Chrome release blog and apply the necessary updates. Click here …

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A digest of Tanzania Computer Incident Response Teams coverage of cybersecurity news across the globe